Peter Sikkema has retired after 36 years at the University of Guelph, Ridgetown Campus where he focused on weed management in field crops. Peter taught several courses including “Applied Weed Science” and “Herbicide Biochemistry and Physiology”. Peter published more than 445 peer-reviewed manuscripts. Peter is a source of practical solutions for farmers and readily shares his knowledge with primary producers. Peter has presented the results from his research program at hundreds of grower meetings/scientific conferences across Canada, the United States, and globally.